Warning: That file was not part of the compilation database. It may have many parsing errors.

1/* Copyright (C) 2005-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <pthread.h>
21#include <stdbool.h>
22#include <stdio.h>
23#include <stdlib.h>
24
25
26static pthread_barrier_t b;
27static pthread_cond_t c = PTHREAD_COND_INITIALIZER;
28static pthread_mutex_t m;
29static bool first = true;
30
31
32static void *
33tf (void *arg)
34{
35 long int n = (long int) arg;
36
37 if (pthread_mutex_lock (&m) != 0)
38 {
39 printf ("thread %ld: mutex_lock failed\n", n + 1);
40 exit (1);
41 }
42
43 int e = pthread_barrier_wait (&b);
44 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
45 {
46 printf ("thread %ld: barrier_wait failed\n", n + 1);
47 exit (1);
48 }
49
50 e = pthread_cond_wait (&c, &m);
51 if (first)
52 {
53 if (e != 0)
54 {
55 printf ("thread %ld: cond_wait failed\n", n + 1);
56 exit (1);
57 }
58 first = false;
59 }
60 else
61 {
62 if (e != EOWNERDEAD)
63 {
64 printf ("thread %ld: cond_wait did not return EOWNERDEAD\n", n + 1);
65 exit (1);
66 }
67 }
68
69 if (pthread_cancel (pthread_self ()) != 0)
70 {
71 printf ("thread %ld: cancel failed\n", n + 1);
72 exit (1);
73 }
74
75 pthread_testcancel ();
76
77 printf ("thread %ld: testcancel returned\n", n + 1);
78 exit (1);
79}
80
81
82static int
83do_test (void)
84{
85 pthread_mutexattr_t a;
86 if (pthread_mutexattr_init (&a) != 0)
87 {
88 puts ("mutexattr_init failed");
89 return 1;
90 }
91
92 if (pthread_mutexattr_setrobust_np (&a, PTHREAD_MUTEX_ROBUST_NP) != 0)
93 {
94 puts ("mutexattr_setrobust failed");
95 return 1;
96 }
97
98#ifdef ENABLE_PI
99 if (pthread_mutexattr_setprotocol (&a, PTHREAD_PRIO_INHERIT) != 0)
100 {
101 puts ("pthread_mutexattr_setprotocol failed");
102 return 1;
103 }
104#endif
105
106 int e;
107 e = pthread_mutex_init (&m, &a);
108 if (e != 0)
109 {
110#ifdef ENABLE_PI
111 if (e == ENOTSUP)
112 {
113 puts ("PI robust mutexes not supported");
114 return 0;
115 }
116#endif
117 puts ("mutex_init failed");
118 return 1;
119 }
120
121 if (pthread_mutexattr_destroy (&a) != 0)
122 {
123 puts ("mutexattr_destroy failed");
124 return 1;
125 }
126
127 if (pthread_barrier_init (&b, NULL, 2) != 0)
128 {
129 puts ("barrier_init failed");
130 return 1;
131 }
132
133#define N 5
134 pthread_t th[N];
135 for (long int n = 0; n < N; ++n)
136 {
137 if (pthread_create (&th[n], NULL, tf, (void *) n) != 0)
138 {
139 printf ("pthread_create loop %ld failed\n", n + 1);
140 return 1;
141 }
142
143 e = pthread_barrier_wait (&b);
144 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
145 {
146 printf ("parent: barrier_wait failed in round %ld\n", n + 1);
147 return 1;
148 }
149 }
150
151 if (pthread_mutex_lock (&m) != 0)
152 {
153 puts ("parent: mutex_lock failed");
154 return 1;
155 }
156
157 if (pthread_mutex_unlock (&m) != 0)
158 {
159 puts ("parent: mutex_unlock failed");
160 return 1;
161 }
162
163 if (pthread_cond_broadcast (&c) != 0)
164 {
165 puts ("cond_broadcast failed");
166 return 1;
167 }
168
169 for (int n = 0; n < N; ++n)
170 {
171 void *res;
172 if (pthread_join (th[n], &res) != 0)
173 {
174 printf ("join round %d failed\n", n + 1);
175 return 1;
176 }
177 if (res != PTHREAD_CANCELED)
178 {
179 printf ("thread %d not canceled\n", n + 1);
180 return 1;
181 }
182 }
183
184 e = pthread_mutex_lock (&m);
185 if (e == 0)
186 {
187 puts ("parent: 2nd mutex_lock succeeded");
188 return 1;
189 }
190 if (e != EOWNERDEAD)
191 {
192 puts ("parent: mutex_lock did not return EOWNERDEAD");
193 return 1;
194 }
195
196 if (pthread_mutex_unlock (&m) != 0)
197 {
198 puts ("parent: 2nd mutex_unlock failed");
199 return 1;
200 }
201
202 if (pthread_mutex_destroy (&m) != 0)
203 {
204 puts ("mutex_destroy failed");
205 return 1;
206 }
207
208 return 0;
209}
210
211#define TEST_FUNCTION do_test ()
212#include "../test-skeleton.c"
213

Warning: That file was not part of the compilation database. It may have many parsing errors.